There are a few versions of the Redmi 2:
According to the MIUI forums and XDA[1][2]:
wt88047, 2014811 or HM2014811 - international 1 and 2GB versions
2014818, HM2014818, or HM2LTE-IN - Indian variant
2014813 or HM2014813 - Chinese variant
See if you can find any of these numbers in your "About...